[INFO] cloning repository https://github.com/imkiva/mahiro-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imkiva/mahiro-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimkiva%2Fmahiro-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimkiva%2Fmahiro-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32b3e0f55cc22274df9f6f8aa1b9fcaf02cc370e
[INFO] testing imkiva/mahiro-rs against nightly-2025-01-18+rustflags=-Zrandomize-layout for randomize-layout-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimkiva%2Fmahiro-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imkiva/mahiro-rs on toolchain nightly-2025-01-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imkiva/mahiro-rs
[INFO] finished tweaking git repo https://github.com/imkiva/mahiro-rs
[INFO] tweaked toml for git repo https://github.com/imkiva/mahiro-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/imkiva/mahiro-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lalrpop-util v0.19.1
[INFO] [stderr]   Downloaded lalrpop v0.19.1
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[INFO] running `Command { std: "docker" "inspect" "d96d56331fb71df3ef464e5cfe98c295ef598f21b2a89b85b1b5bfd6df9c71ce", kill_on_drop: false }`
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[INFO] [stdout] d96d56331fb71df3ef464e5cfe98c295ef598f21b2a89b85b1b5bfd6df9c71ce
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[INFO] [stdout] b49e6873209418ef2e328d8d7636bda451939d49bd8a9b6005698a5076fe8f65
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[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling build_system v0.1.0 (/opt/rustwide/workdir/build_system)
[INFO] [stderr]    Compiling vm v0.1.0 (/opt/rustwide/workdir/vm)
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stdout] warning: fields `stack`, `frame`, `caller_regs`, and `code` are never read
[INFO] [stdout]   --> vm/src/vm.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Executor<'a> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 15 |   stack: &'a Stack,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 16 |   frame: &'a Frame,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 17 |   caller_regs: &'a CallerRegisters,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 18 |   code: &'a Vec<Opcode>,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Executor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stack`, `frame`, `caller_regs`, and `exception` are never read
[INFO] [stdout]   --> vm/src/vm.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MahiroVM {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 23 |   stack: Stack,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 24 |   frame: VecDeque<Frame>,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 25 |   caller_regs: CallerRegisters,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 26 |   exception: Option<Value>,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MahiroVM` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push` and `pop` are never used
[INFO] [stdout]   --> vm/src/vm.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl MahiroVM {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |   fn push(&mut self, v: Value) {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |   fn pop(&mut self) -> Value {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling lalrpop-util v0.19.1
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.19.1
[INFO] [stderr]    Compiling lang v0.1.0 (/opt/rustwide/workdir/lang)
[INFO] [stdout] warning: unused imports: `Expr` and `Param`
[INFO] [stdout]  --> lang/src/sugar/async_fn.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::syntax::tree::{Decl, FnSig, Stmt, Expr, Param};
[INFO] [stdout]   |                                              ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> lang/src/syntax/parser.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use lalrpop_util::{lexer::Token, ParseError as PE, ParseError};
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `Token` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> lang/src/syntax/parser.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use grammar::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> lang/src/syntax/parser.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use lalrpop_util::{lexer::Token, ParseError as PE, ParseError};
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> lang/src/syntax/parser.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use lalrpop_util::{lexer::Token, ParseError as PE, ParseError};
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `Token` in the value namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> lang/src/syntax/parser.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use grammar::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> lang/src/syntax/parser.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use lalrpop_util::{lexer::Token, ParseError as PE, ParseError};
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mahiro-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.80s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b49e6873209418ef2e328d8d7636bda451939d49bd8a9b6005698a5076fe8f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b49e6873209418ef2e328d8d7636bda451939d49bd8a9b6005698a5076fe8f65", kill_on_drop: false }`
[INFO] [stdout] b49e6873209418ef2e328d8d7636bda451939d49bd8a9b6005698a5076fe8f65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c55b7f581ffd0661b547367222c38e052aa495ab57bfd4d121373f59e576e13
[INFO] running `Command { std: "docker" "start" "-a" "8c55b7f581ffd0661b547367222c38e052aa495ab57bfd4d121373f59e576e13", kill_on_drop: false }`
[INFO] [stdout] warning: fields `stack`, `frame`, `caller_regs`, and `code` are never read
[INFO] [stdout]   --> vm/src/vm.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Executor<'a> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 15 |   stack: &'a Stack,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 16 |   frame: &'a Frame,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 17 |   caller_regs: &'a CallerRegisters,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 18 |   code: &'a Vec<Opcode>,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Executor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stack`, `frame`, `caller_regs`, and `exception` are never read
[INFO] [stdout]   --> vm/src/vm.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MahiroVM {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 23 |   stack: Stack,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 24 |   frame: VecDeque<Frame>,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 25 |   caller_regs: CallerRegisters,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 26 |   exception: Option<Value>,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MahiroVM` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push` and `pop` are never used
[INFO] [stdout]   --> vm/src/vm.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl MahiroVM {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |   fn push(&mut self, v: Value) {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |   fn pop(&mut self) -> Value {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mahiro-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Expr` and `Param`
[INFO] [stdout]  --> lang/src/sugar/async_fn.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::syntax::tree::{Decl, FnSig, Stmt, Expr, Param};
[INFO] [stdout]   |                                              ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> lang/src/syntax/parser.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use lalrpop_util::{lexer::Token, ParseError as PE, ParseError};
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `Token` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> lang/src/syntax/parser.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use grammar::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> lang/src/syntax/parser.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use lalrpop_util::{lexer::Token, ParseError as PE, ParseError};
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> lang/src/syntax/parser.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use lalrpop_util::{lexer::Token, ParseError as PE, ParseError};
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `Token` in the value namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> lang/src/syntax/parser.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use grammar::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> lang/src/syntax/parser.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use lalrpop_util::{lexer::Token, ParseError as PE, ParseError};
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "8c55b7f581ffd0661b547367222c38e052aa495ab57bfd4d121373f59e576e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c55b7f581ffd0661b547367222c38e052aa495ab57bfd4d121373f59e576e13", kill_on_drop: false }`
[INFO] [stdout] 8c55b7f581ffd0661b547367222c38e052aa495ab57bfd4d121373f59e576e13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 676a931b95e251658bb79de88073c9b88b4c529467040988c55645d3761f105e
[INFO] running `Command { std: "docker" "start" "-a" "676a931b95e251658bb79de88073c9b88b4c529467040988c55645d3761f105e", kill_on_drop: false }`
[INFO] [stderr] warning: fields `stack`, `frame`, `caller_regs`, and `code` are never read
[INFO] [stderr]   --> vm/src/vm.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Executor<'a> {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 15 |   stack: &'a Stack,
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 16 |   frame: &'a Frame,
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 17 |   caller_regs: &'a CallerRegisters,
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr] 18 |   code: &'a Vec<Opcode>,
[INFO] [stderr]    |   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Executor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `stack`, `frame`, `caller_regs`, and `exception` are never read
[INFO] [stderr]   --> vm/src/vm.rs:23:3
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct MahiroVM {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 23 |   stack: Stack,
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 24 |   frame: VecDeque<Frame>,
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 25 |   caller_regs: CallerRegisters,
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr] 26 |   exception: Option<Value>,
[INFO] [stderr]    |   ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MahiroVM` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `push` and `pop` are never used
[INFO] [stderr]   --> vm/src/vm.rs:39:6
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl MahiroVM {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 39 |   fn push(&mut self, v: Value) {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |   fn pop(&mut self) -> Value {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `vm` (lib) generated 3 warnings
[INFO] [stderr] warning: unused imports: `Expr` and `Param`
[INFO] [stderr]  --> lang/src/sugar/async_fn.rs:1:46
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::syntax::tree::{Decl, FnSig, Stmt, Expr, Param};
[INFO] [stderr]   |                                              ^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: private item shadows public glob re-export
[INFO] [stderr]   --> lang/src/syntax/parser.rs:1:20
[INFO] [stderr]    |
[INFO] [stderr] 1  | use lalrpop_util::{lexer::Token, ParseError as PE, ParseError};
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the name `Token` in the type namespace is supposed to be publicly re-exported here
[INFO] [stderr]   --> lang/src/syntax/parser.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub use grammar::*;
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] note: but the private item here shadows it
[INFO] [stderr]   --> lang/src/syntax/parser.rs:1:20
[INFO] [stderr]    |
[INFO] [stderr] 1  | use lalrpop_util::{lexer::Token, ParseError as PE, ParseError};
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: private item shadows public glob re-export
[INFO] [stderr]   --> lang/src/syntax/parser.rs:1:20
[INFO] [stderr]    |
[INFO] [stderr] 1  | use lalrpop_util::{lexer::Token, ParseError as PE, ParseError};
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the name `Token` in the value namespace is supposed to be publicly re-exported here
[INFO] [stderr]   --> lang/src/syntax/parser.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub use grammar::*;
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] note: but the private item here shadows it
[INFO] [stderr]   --> lang/src/syntax/parser.rs:1:20
[INFO] [stderr]    |
[INFO] [stderr] 1  | use lalrpop_util::{lexer::Token, ParseError as PE, ParseError};
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lang` (lib) generated 3 warnings (run `cargo fix --lib -p lang` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mahiro_rs-3fa33e4ef0811c35)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "676a931b95e251658bb79de88073c9b88b4c529467040988c55645d3761f105e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676a931b95e251658bb79de88073c9b88b4c529467040988c55645d3761f105e", kill_on_drop: false }`
[INFO] [stdout] 676a931b95e251658bb79de88073c9b88b4c529467040988c55645d3761f105e
